1) Matriarchal 2) Of societies or families 1) Matriarchal 
[adj] - of societies or families
matriarch, matriarchic 1. A woman who is recognized as being the head of a family, community, or people. 2. A woman, usually a grandmother, who is highly respected by her family and to whom the family turns for advice and help. 3. A woman who holds a position of dominance,, or respect. 4. A woman having the status corresponding to that of a patria...
adjective (of societies or families) having a female as the family head or having descent traced through the female line